e-Key v<span id="jodit_selection_marker_1709623607864_10714661219389288" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>3 - *Fago<span id="jodit_selection_marker_1709623607864_5071089148819945" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>pyrum
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Polygonaceae - Polygonoideae - Persicarieae - *Fagopyrum Mill.

Description:

  • Twining or erect perennial or annual herbs with hollow stems
  • Leaves triangular-sagittate, cordate; ocrea short, truncate, entire
  • Inflorescence branched or flowers in axillary clusters
  • Flowers unisexual, heterostylous, male, in narrow, terminal and axillary, raceme-like panicles; pedicels equalling perianth, articulated above middle
  • Perianth campanulate, with 5 segments, not accrescent
  • Stamens 8, alternating with yellow nectaries on disc
  • Ovary 3-angled; styles 3, long and slender; stigmas capitate, small
  • Fruit a triquetrous nut, greatly exceeding perianth
  • x = 8 (polyploidy)

Nomenclature:

  • *Fagopyrum Mill.
    • Miller: [495] (1754)
    • Webb: 81 (1964)
    • Brandbyge: 542 (1993)

Distribution & Notes:

  • Global: Species 8, in Europe and Asia, widely cultivated
  • Southern Africa: *Fagopyrum esculentum L. (Buckwheat) occasionally found as an escape

References:

  • BRANDBYGE, J. 1993. Polygonaceae. In K. Kubitzki, J.G. Rohwer and V. Bittrich, The families and genera of vascular plants 2. Springer-Verlag, Berlin
  • MILLER, P. 1754. The gardener's dictionary, abridged edn 4. Rivington, London
  • WEBB, D.A. & CHATER, A.O. 1964. Polygonum. Flora europaea 1

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